7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Which of the following changes does food in a refrigerator undergo?

    A)  Slow, physical change

    B)  Slow, chemical change

    C)  Fast, chemical change

    D)  Fast, physical change

    Correct Answer: B

    Solution :

    Low temperature in a fridge slows down the chemical change in food and keeps it fresh for a long time.


You need to login to perform this action.
You will be redirected in 3 sec spinner